FAQ About Tanzanite


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Registered Shopper
Feb 6, 2011
South Yorkshire
What is Tanzanite?

Tanzanite is the crystalline form of the mineral zoisite and is an exquisite violet-blue gemstone. It is a very rare gemstone. The zoisite crystals form in the presence of vanadium, which is a soft, grayish-silvery metal. Its crystal structure is orthorhombic and it is Trichroic, radiating three different colors from three different crystal axes. - back to questions

Where Does Tanzanite Come From?

Tanzanite is found in only one place in the entire world, Tanzania, in the foothills of Mt. Kilimanjaro. The area in which it is found covers only 4 square kilometers. - back to questions

How Rare Is Tanzanite?

Considering that Tanzanite can only be found in a 4 kilometer square area and that the top quality colours and sizes are becoming harder and harder to extract from the ground it is very rare and becoming rarer. Tanzanite is in fact considered to be a thousand times rarer than Diamonds. - back to questions

What Is The Origin Of Tanzanite?

Tanzanite was discovered in the mid 1960's in the Merelani Hills of East Africa by Massai tribesmen after a bush fire had heated the rough Tanzanite changing it to the stunning intense violitish, blue colour that we know. - back to questions

What Is The Composition/Hardness Of Tanzanite?

Tanzanite is a hydrous Calcium-Aluminum Silicate with a hardness of 6.5 on the Mohs scale.

This means that Tanzanite's hardness is similar to emerald but a bit less brittle and should be cared for. It is not as hard as diamond which rates as 10 or sapphire which rates as 9 on the Mohs scale but harder than steel which rates about 4-5. Therefore Tanzanite should not be worn during activities that may cause impact. Ideally it is set as a necklace, dress ring, earrings or occasionally a bracelet. - back to questions

How Popular Is Tanzanite?

Tanzanite is the most exciting gemological find of the 20th century and has enjoyed immense popularity, especially in the States, where approximately 70% of tanzanite is sold. During 1997 and 1999, tanzanite was second only to sapphire in US sales of coloured gemstones. - back to questions

What Is The Annual Turnover Of Tanzanite Globally?

It is estimated that globally the wholesale market for polished tanzanite is US$200 - 300 million per annum. - back to questions

How Much Does Tanzanite Cost?

The price of tanzanite in the past has varied considerably due to unstable supply. However, at the moment consumers can expect to pay between US$700 and US$2000/carat for legitimate, certified, top grade “Triple A” Intense Violetish Blue Tanzanite, depending on colour, cut, carat and clarity.

Tanzanite is approximately a third of the price of Sapphire. - back to questions

How Do I Know That My Tanzanite Is Genuine?

Whenever you are buying Tanzanite you should make sure that it has been graded by an Independent Gemological Laboratory (not a laboratory controlled by the vendor) and comes with a certificate. - back to questions

How Is Tanzanite Graded?

Tanzanite like all other semi precious and precious gemstones is graded in independent gemological grading laboratories. The top grade of Tanzanite is "Intense Violetish Blue" or "Triple A". - back to questions

Is Tanzanite Treated?

All Tanzanite is heated to 500 degrees centigrade. This transforms it from its original dull brown colour to the beautiful and sort after Intense Violetish Blue. Totally accepted in the trade as it is irreversible. - back to questions

Is All Your Tanzanite Graded?

We only touch Tanzanite that has been graded by an Independent Gemological Laboratory. - back to questions

Is It A Fact That Tanzanite Is Becoming Rarer?

Absolutely, Tanzanite is already one thousand times rarer than Diamond and given that it is only 6.5 on the Mohs scale, many pieces are accidentally destroyed. The fact that it is formed by a unique geological phenomenon, that has less than a million to one chance of being repeated, means that according to geological tests, the world’s supply of Tanzanite will be totally exhausted within 10 to 15 years. - back to questions

How Do I Care For My Tanzanite?

Given the not so hard nature of Tanzanite, it is recommended that a soft cloth and warm soapy water is used to clean it in a gentle and controlled manner.
Under no circumstances should an ultra-sonic cleaner be used. - back to questions

Is It Likely That Tanzanite Will Ever Be Discovered In Any Other Part Of The World?

Intense geological research has found that there is only one source of tanzanite and it’s geology is totally unique. It is a “geological phenomenon” with the chances of another occurrence outside of the current production area and its immediate vicinity being less than a million to one. - back to questions

Does Tanzanite Have Any Special Meaning Or Properties?

Tanzanite is the first Gemstone to have been added by the American Gem Trade Association to the list of Birthstones since 1912 and is now an official Birthstone for December.

The Massai Tribesmen give it to all their newborn children as a bearer of good fortune.

It is also said to have many mystical and healing powers. It uplifts and opens the heart. It is a gemstone that shows us a graceful, gracious way to live.

It is said that people who wear it feel spiritual power pulling them up. It also encourages the wearer to help others because it helps them realize that their own individual truth is connected to eternal truths and the two would sustain each other. They are well grounded in truth, nature, and spirituality.

Also it activates the throat chakra for clear communication of one's highest truth and can also be used to enhance psychic abilities. - back to questions

Is Tanzanite A Good Investment?

Tanzanite, given it’s desirability and rareness, coupled with it’s dwindling supply makes it one of the surest investments of our time. - back to questions

If I Wish To Join Your Group Of Private Clients How Would My Tanzanite Be Delivered?

Please contact us for "Special Arrangements". -

How Did Bid Shopping get there hands on this rare gemstone?
Has the Sit Up Channels tanzanite graded by an Independent Gemological Laboratory and come with a certificate?

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